可以(yi)在哪(na)些環境(jing)中使用中央空調電輔助加(jia)熱(re)器？中央空(kong)(kong)(kong)調電輔(fu)助(zhu)加熱(re)(re)器(qi)是(shi)以(yi)(yi)(yi)室(shi)外(wai)空(kong)(kong)(kong)氣(qi)(qi)為熱(re)(re)源(yuan)，加熱(re)(re)室(shi)內空(kong)(kong)(kong)氣(qi)(qi)的(de)熱(re)(re)泵機組(zu)，如小型(xing)(xing)熱(re)(re)泵式(shi)空(kong)(kong)(kong)調器(qi)（窗式(shi)、立柜式(shi)等(deng)）。這(zhe)種(zhong)小型(xing)(xing)熱(re)(re)泵空(kong)(kong)(kong)調機組(zu)可以(yi)(yi)(yi)有(you)不(bu)同的(de)組(zu)裝(zhuang)方法(fa)，適(shi)用(yong)(yong)于住(zhu)宅(zhai)建筑和(he)一(yi)般小型(xing)(xing)公共、商業性設施。可以(yi)(yi)(yi)在哪些(xie)環境中使(shi)用(yong)(yong)中央空(kong)(kong)(kong)調電輔(fu)助(zhu)加熱(re)(re)器(qi)？中央空(kong)(kong)(kong)調電輔(fu)助(zhu)加熱(re)(re)器(qi)的(de)優點是(shi)安(an)裝(zhuang)方便，使(shi)用(yong)(yong)簡單，并可以(yi)(yi)(yi)冬夏兩(liang)用(yong)(yong)（通(tong)過(guo)四通(tong)換向閥使(shi)冷(leng)(leng)凝器(qi)和(he)蒸發器(qi)相互轉換）。其主要缺(que)點是(shi)室(shi)外(wai)空(kong)(kong)(kong)氣(qi)(qi)溫度越(yue)(yue)低(di)時(shi)(shi)，室(shi)內熱(re)(re)的(de)需求(qiu)越(yue)(yue)大，而機組(zu)的(de)供熱(re)(re)量反而減少，效率越(yue)(yue)低(di)。因此(ci)，使(shi)用(yong)(yong)中央空(kong)(kong)(kong)調電輔(fu)助(zhu)加熱(re)(re)器(qi)須地(di)計算熱(re)(re)負荷，并在此(ci)基礎上(shang)選擇合適(shi)的(de)輔(fu)助(zhu)熱(re)(re)源(yuan)加以(yi)(yi)(yi)配合。此(ci)外(wai)，當(dang)室(shi)外(wai)空(kong)(kong)(kong)氣(qi)(qi)溫度低(di)于0 ℃ 時(shi)(shi)，在一(yi)定的(de)溫度下蒸發器(qi)上(shang)還會結(jie)霜，這(zhe)將對傳熱(re)(re)不(bu)利，必(bi)要時(shi)(shi)需采用(yong)(yong)除(chu)霜循(xun)環（實(shi)際(ji)是(shi)制(zhi)冷(leng)(leng)循(xun)環）加以(yi)(yi)(yi)消除(chu)。